hi,jason. I saw SpreadsheetMLPackage class source code,the method of 'load' support xml parameter,but invoke that,occur exception,infomation as follow:org.docx4j.openpackaging.exceptions.Docx4JException: Unrecognised package at org.docx4j.convert.in.FlatOpcXmlImporter.get(FlatOpcXmlImporter.java:186) at org.docx4j.openpackaging.packages.OpcPackage.load(OpcPackage.java:536) at org.docx4j.openpackaging.packages.OpcPackage.load(OpcPackage.java:387) at org.docx4j.openpackaging.packages.OpcPackage.load(OpcPackage.java:270) at org.docx4j.openpackaging.packages.OpcPackage.load(OpcPackage.java:250) at org.docx4j.openpackaging.packages.SpreadsheetMLPackage.load(SpreadsheetMLPackage.java:104) at com.icourt.common.utils.Xlsx4jUtil.loadOPCXml(Xlsx4jUtil.java:229) at com.icourt.common.utils.Xlsx4jUtil.main(Xlsx4jUtil.java:251)

Exception in thread "main" org.docx4j.openpackaging.exceptions.Docx4JException: Couldn't load xml from stream at org.docx4j.openpackaging.packages.OpcPackage.load(OpcPackage.java:539) at org.docx4j.openpackaging.packages.OpcPackage.load(OpcPackage.java:387) at org.docx4j.openpackaging.packages.OpcPackage.load(OpcPackage.java:270) at org.docx4j.openpackaging.packages.OpcPackage.load(OpcPackage.java:250) at org.docx4j.openpackaging.packages.SpreadsheetMLPackage.load(SpreadsheetMLPackage.java:104) at com.icourt.common.utils.Xlsx4jUtil.loadOPCXml(Xlsx4jUtil.java:229) at com.icourt.common.utils.Xlsx4jUtil.main(Xlsx4jUtil.java:251)Caused by: org.docx4j.openpackaging.exceptions.Docx4JException: Unrecognised package at org.docx4j.convert.in.FlatOpcXmlImporter.get(FlatOpcXmlImporter.java:186) at org.docx4j.openpackaging.packages.OpcPackage.load(OpcPackage.java:536) ... 6 more